Players Ron Baker and Kadeem Coleby of the Wichita State Shockers walk off the court together after beating the Indiana State Sycamores. / Peter Aiken, Getty Images

by Scott Gleeson, USA TODAY Sports

by Scott Gleeson, USA TODAY Sports

Conference play is starting to take a bit of a toll on top 25 teams. But there haven't been any major shakeups near the top of the Coaches Poll, where unbeaten Arizona (18-0) and Syracuse (18-0) remain No. 1 and No. 2, respectively.

The beneficiary of Wisconsin's two-game skid is conference foe Michigan State (17-1), as the Big Ten-leading Spartans surged to No. 3 while the Badgers plummeted to No. 8.

The biggest winner of the poll, however, is undefeated and ultra-confident mid-major, Wichita State. The Shockers moved into the No. 4 slot, matching their best-ever ranking in the Coaches Poll - achieved in the last poll of 2013 by Gregg Marshall's final four team.

Wichita State will have some tricky road tests in the Missouri Valley in the weeks ahead, but for right now they look to have a shot at an unbeaten regular season. If they accomplish that feat, the case for a No. 1 seed in March seems inevitable.

Stock up: San Diego State. The Mountain West is down this year but not because of the Aztecs, up four spots to No. 7. Steve Fisher's group has a chance to sweep through the league undefeated and they might need to in order for high seeding in the NCAA tournament.

Stock down: Ohio State. The Buckeyes have lost three in a row and dropped all the way to No. 15. A mere two weeks ago they were unbeaten and No. 3. They can stop the slide Monday night at unranked Nebraska.

Stock up: Massachusetts. The Minutemen have survived some narrow escapes all the way to No. 12. UMass senior point guard Chaz Williams, second in the nation in assists, fuels this veteran-laden squad nearing the top 10.

Stock down: Wisconsin. After staying perfect for half the season, the Badgers finally faltered and have dropped two in a row, slipping from No. 3 to No. 8, as they get into the heart of the Big Ten schedule.

Stock up: Kansas. The Jayhawks moved up seven spots in the rankings and have stamped themselves - after some early struggles - as the top of the class in the Big 12 as they seek a 10th consecutive regular season title.

Stock down: Baylor. The Bears are down 10 spots to No. 23 after losing two in a row and three of four. They can fix it - and stay in the poll - by beating Kansas tonight.